diff --git a/app/constants/benefit_cap.rb b/app/constants/benefit_cap.rb
new file mode 100644
index 000000000..58d9832f2
--- /dev/null
+++ b/app/constants/benefit_cap.rb
@@ -0,0 +1,14 @@
+module BenefitCap
+  @@benefitcap = {
+    "Yes - benefit cap" => 5,
+    "Yes - removal of the spare room subsidy" => 4,
+    "Yes - both the benefit cap and the removal of the spare room subsidy" => 6,
+    "No" => 2,
+    "Do not know" => 3,
+    "Prefer not to say" => 100,
+  }
+
+  def self.benefitcap
+    @@benefitcap
+  end
+end
diff --git a/app/models/case_log.rb b/app/models/case_log.rb
index 005096c65..9d014d8e8 100644
--- a/app/models/case_log.rb
+++ b/app/models/case_log.rb
@@ -42,6 +42,7 @@ class CaseLog < ApplicationRecord
   include Ecstat
   include PreviousTenancy
   include Homeless
+  include BenefitCap
   default_scope -> { kept }
   scope :not_completed, -> { where.not(status: "completed") }
 
@@ -64,6 +65,7 @@ class CaseLog < ApplicationRecord
   enum ecstat8: Ecstat.ecstat, _suffix: true
   enum prevten: PreviousTenancy.previous_tenancy, _suffix: true
   enum homeless: Homeless.homeless, _suffix: true
+  enum underoccupation_benefitcap: BenefitCap.benefitcap, _suffix: true
 
   AUTOGENERATED_FIELDS = %w[id status created_at updated_at discarded_at].freeze
 
diff --git a/db/migrate/20211103090530_change_field_types.rb b/db/migrate/20211103090530_change_field_types.rb
index f24b53613..1b9f9029b 100644
--- a/db/migrate/20211103090530_change_field_types.rb
+++ b/db/migrate/20211103090530_change_field_types.rb
@@ -13,6 +13,7 @@ class ChangeFieldTypes < ActiveRecord::Migration[6.1]
       t.change :ecstat8, "integer USING ecstat8::integer"
       t.change :prevten, "integer USING prevten::integer"
       t.change :homeless, "integer USING homeless::integer"
+      t.change :underoccupation_benefitcap, "integer USING underoccupation_benefitcap::integer"
     end
   end
 
@@ -30,6 +31,7 @@ class ChangeFieldTypes < ActiveRecord::Migration[6.1]
       t.change :ecstat8, :string
       t.change :prevten, :string
       t.change :homeless, :string
+      t.change :underoccupation_benefitcap, :string
     end
   end
 end
diff --git a/spec/models/case_log_spec.rb b/spec/models/case_log_spec.rb
index 20a3f3aa9..792667816 100644
--- a/spec/models/case_log_spec.rb
+++ b/spec/models/case_log_spec.rb
@@ -50,7 +50,7 @@ RSpec.describe Form, type: :model do
       it "if not given reasonable preference a reason should not be selected" do
         expect {
           CaseLog.create!(
-            homeless: "Yes",
+            homeless: "Yes - other homelessness",
             reasonpref: "No",
             rp_homeless: true,
           )